Identification of the First Riboflavin Catabolic Gene Cluster Isolated from Microbacterium maritypicum G10.
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Riboflavin is a common cofactor, and its biosynthetic pathway is well characterized. However, its catabolic pathway, despite intriguing hints in a few distinct organisms, has never been established. This article describes the isolation of a Microbacterium maritypicum riboflavin catabolic strain, and the cloning of the riboflavin catabolic genes. RcaA, RcaB, RcaD, and RcaE were overexpressed and biochemically characterized as riboflavin kinase, riboflavin reductase, ribokinase, and riboflavin hydrolase, respectively. Based on these activities, a pathway for riboflavin catabolism is proposed.
author list (cited authors)
Xu, H., Chakrabarty, Y., Philmus, B., Mehta, A. P., Bhandari, D., Hohmann, H., & Begley, T. P.
complete list of authors
Xu, Hui||Chakrabarty, Yindrila||Philmus, Benjamin||Mehta, Angad P||Bhandari, Dhananjay||Hohmann, Hans-Peter||Begley, Tadhg P